Results 71 to 80 of about 3,575,397 (313)

Two-photon excited LIF determination of H-atom concentrations near a heated filament in a low pressure H2 environment [PDF]

open access: yes, 1990
Meier U, Kohse-Höinghaus K, Schäfer L, Klages C-P. Two-photon excited LIF determination of H-atom concentrations near a heated filament in a low pressure H2 environment. Applied Optics.
Kohse-Höinghaus, Katharina   +3 more
core  

Pyramidalization of the Glycosidic Nitrogen Provides the Way for Efficient Cleavage of the N‑Glycosidic Bond of 8‑OxoG with the hOGG1 DNA Repair Protein [PDF]

open access: yes, 2012
A mechanistic pathway for cleavage of the N-glycosidic bond of 8-oxo-2′-deoxyguanosine (oxoG) catalyzed with the human 8-oxoguanine glycosylase 1 DNA repair protein (hOGG1) is proposed in this theoretical study. The reaction scheme suggests direct proton
Sychrovský, V.   +5 more
core   +1 more source

The actin capping protein in Aspergillus nidulans enhances dynein function without significantly affecting Arp1 filament assembly

open access: yesScientific Reports, 2018
The minus-end-directed microtubule motor cytoplasmic dynein requires the dynactin complex for in vivo functions. The backbone of the vertebrate dynactin complex is the Arp1 (actin-related protein 1) mini-filament whose barbed end binds to the ...
Jun Zhang, Rongde Qiu, Xin Xiang
doaj   +1 more source

Finding novel vulnerabilities of hypomorphic BRCA1 alleles

open access: yesMolecular Oncology, EarlyView.
Synthetic lethality screens performed to identify novel vulnerabilities often model complete gene loss, thereby overlooking patient‐derived hypomorphic mutations. In this study, we have performed genome‐wide CRISPR screens on BRCA1 hypomorphic mutations, showing BRCA1I26A behaves like wild‐type, while BRCA1R1699Q mimics deficiency. Furthermore, we have
Anne Schreuder   +10 more
wiley   +1 more source

The interaction between the HPV E1^E4 protein and the cell cytoskeleton. [PDF]

open access: yes, 2007
Papillomaviruses are small DNA viruses, which cause benign and malignant lesions in the differentiated epithelium of mammals and birds. A small subset of human papillomaviruses (HPV's), have been identified as the etiological agent of cervical cancer ...
Laskey, P.
core  

Structural basis for stabilisation of the RAD51 nucleoprotein filament by BRCA2

open access: yesNature Communications, 2023
The BRCA2 tumour suppressor protein preserves genomic integrity via interactions with the DNA-strand exchange RAD51 protein in homology-directed repair.
Robert Appleby   +3 more
doaj   +1 more source

Multiple Roles of Flagellar Export Chaperones for Efficient and Robust Flagellar Filament Formation in Salmonella

open access: yesFrontiers in Microbiology, 2021
FlgN, FliS, and FliT are flagellar export chaperones specific for FlgK/FlgL, FliC, and FliD, respectively, which are essential component proteins for filament formation.
Tohru Minamino   +6 more
doaj   +1 more source

The VHL tumor suppressor at the crossroad of protein folding, aggregation, and cancer

open access: yesMolecular Oncology, EarlyView.
Mutations, environmental stress, and chaperone dysfunction can destabilize pVHL, promoting its conversion from the native folded state into amyloid‐like assemblies. This transition may contribute to protein storage, cell dormancy, survival, and drug resistance.
Lara Abad   +2 more
wiley   +1 more source

CAPG (capping protein (actin filament), gelsolin-like) [PDF]

open access: yes, 2010
Review on CAPG (capping protein (actin filament), gelsolin-like), with data on DNA, on the protein encoded, and where the gene is ...
Singh, PK, R Tamuli, Tamuli, R, PK Singh
core   +1 more source

Gelsolin-mediated actin filament severing, mechanics, and conformational changes at neutral and acidic pH

open access: yesFrontiers in Soft Matter
Gelsolin is a calcium (Ca2+) dependent, pH sensitive actin-binding protein that regulates actin filament dynamics to remodel the actin cytoskeleton. It is known that gelsolin binding induces conformational changes of actin filaments, leading to filament ...
Taylor V. Douglas   +10 more
doaj   +1 more source

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